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What is an oracle in blockchain? How to ensure data authenticity?

Jun 19,2025 at 08:49pm

Understanding the Role of an Oracle in BlockchainIn the context of blockchain technology, an oracle serves as a bridge between the blockchain and external ...
What is the difference between PoW and PoS consensus mechanisms? A comprehensive comparison of advantages and disadvantages

Jun 19,2025 at 02:07am

Understanding Consensus Mechanisms in BlockchainBlockchain technology relies on consensus mechanisms to validate transactions and maintain the integrity of...
How is Ethereum gas fee calculated?

Jun 19,2025 at 01:43am

Understanding the Basics of Ethereum Gas FeesEthereum gas fees are a crucial aspect of interacting with the Ethereum blockchain. These fees represent the c...
Beginner-Friendly Web3 Guide: A Decentralized Journey from Scratch

Jun 18,2025 at 02:42pm

In recent years, the concept of Web3 has gained significant traction within the cryptocurrency community, promising a new era of decentralized internet. Fo...
How to verify a blockchain transaction?

Jun 18,2025 at 05:43am

Understanding the Basics of Blockchain TransactionsTo verify a blockchain transaction, it's essential to first understand what a blockchain transaction ent...
What is a state channel in blockchain?

Jun 18,2025 at 02:42am

Understanding the Concept of a State ChannelA state channel is a mechanism in blockchain technology that enables participants to conduct multiple transacti...
How to safely transfer large amounts of cryptocurrency?

Jun 17,2025 at 03:35pm

Understanding the Risks Involved in Transferring Large AmountsTransferring large amounts of cryptocurrency involves a unique set of risks that differ from ...
What does fork mean in blockchain?

Jun 17,2025 at 01:28am

Understanding the Concept of Fork in BlockchainIn the realm of blockchain technology, a fork refers to a situation where a blockchain diverges into two sep...
What is an oracle in the blockchain?

Jun 16,2025 at 11:36pm

Understanding the Role of an Oracle in BlockchainIn the world of blockchain and smart contracts, an oracle is a service that connects the blockchain to ext...
What is Bitcoin's segregated witness address?

Jun 16,2025 at 04:14pm

Understanding the Concept of Segregated Witness (SegWit)Bitcoin's Segregated Witness (SegWit) is a protocol upgrade implemented in 2017 to improve the scal...
What are the cross-chain technologies in the blockchain?

Jun 16,2025 at 02:21pm

Understanding Cross-Chain TechnologiesCross-chain technology refers to a set of protocols and mechanisms that enable the transfer of assets or data between...
How to import and export cryptocurrency wallets?

Jun 16,2025 at 12:28pm

What is a Cryptocurrency Wallet?A cryptocurrency wallet is a digital tool that allows users to store, send, and receive digital currencies like Bitcoin, Et...
How long does it take for Bitcoin transactions to be confirmed?

Jun 16,2025 at 11:35am

Understanding Bitcoin Transaction ConfirmationsWhen a Bitcoin transaction is initiated, it enters the network and awaits validation. This process is known ...
How to judge whether a blockchain project is reliable?

Jun 16,2025 at 10:20am

Understanding the Core Team and Their BackgroundsWhen evaluating the reliability of a blockchain project, one of the first aspects to scrutinize is the cor...
What is an airdrop in cryptocurrency? How to claim free tokens?

Jun 16,2025 at 09:22am

Understanding the Concept of Airdrops in CryptocurrencyIn the world of cryptocurrency, an airdrop refers to the distribution of free tokens or coins to a l...
What is the Merkle tree in the blockchain?

Jun 16,2025 at 08:15am

Understanding the Merkle Tree in BlockchainThe Merkle tree, also known as a hash tree, is a fundamental data structure used in blockchain technology to eff...
What are the cold storage solutions for cryptocurrencies?

Jun 16,2025 at 08:08am

Understanding Cold Storage in CryptocurrencyCold storage refers to the practice of storing cryptocurrencies offline, away from internet-connected devices. ...
How does the Bitcoin mixing service work?

Jun 16,2025 at 02:01am

Understanding the Bitcoin Mixing ServiceA Bitcoin mixing service, also known as a coin mixer or tumbler, is a tool used to obscure the transaction trail of...

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